ASoC: cs35l56: Remove redundant clearing of clk_stop_mode1

struct sdw_slave_prop is zero-initialized by the SoundWire core so there
is no need to clear clk_stop_mode1 to false. Removing this also avoids
having an unnecessary build dependency on a struct member.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20240701104444.172556-4-rf@opensource.cirrus.com


Signed-off-by: Mark Brown <broonie@kernel.org>